GENERAL CHEMISTRY 2: QUIZ

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Answer this quiz with honesty. God is watching you. God bless on your quiz Chemies!

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Teacher Hya

Philippines

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GENERAL CHEMISTRY 2: QUIZ

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GENERAL CHEMISTRY 2: QUIZ


Froggy Jumps GENERAL CHEMISTRY 2: QUIZVersion en ligne Answer this quiz with honesty. God is watching you. God bless on your quiz Chemies! par Teacher Hya 1 "Dental amalgam". Which type of solution? a liquid to solid b gas in liquid c solid to liquid 2 What solution that contains only two components? a Unitary Solution b Saturated Solution c Binary Solution 3 Substances with stronger intermolecular forces generally have: a Lower viscosity and lower boiling point b Higher vapor pressure and faster evaporation c Higher surface tension and higher boiling point 4 Which type of intermolecular force is dominant in liquid water? a Hydrogen bonding b Ionic bonding between H+ and O2- c Dipole dipole forces 5 Which term best describes the “elastic film” formed at the surface of water due to cohesive forces between its molecules? a Surface Tension b Vapor Pressure c Viscosity 6 Which change would reduce the surface tension of water? a Adding a soap b Increasing hydrogen bonding strength c Removing dissolved gases 7 Which term describes a liquid’s resistance to flowing? a Viscosity b Vapor pressure c Boiling Point 8 Which liquid will have the highest viscosity at room temperature? a Honey b Olive Oil c Ethanol 9 Which change would make a thick syrup flow faster? a Adding a thickener like starch b Heating the syrup c Increasing air pressure above it 10 The pressure exerted by molecules that have escaped into the gas phase above a liquid is called: a Vapor pressure b Boiling point c Molar heat of vaporization 11 Which combination would most likely produce a high vapor pressure? a Weak IMFs --> high temperature b Evaporates slowly --> higher vapor pressure c Higher boiling point --> higher vapor pressure 12 The temperature at which a liquid’s vapor pressure equals external pressure is its: a Boiling point b Melting point c Condensation point 13 Adding salt to water causes: a Higher boiling point and lower vapor pressure b Lower boiling point and higher vapor pressure c Lower boiling point and lower vapor pressure 14 The molar heat of vaporization (ΔHvap) is: a The energy needed to vaporize 1 mole of liquid at its boiling point b The heat released when 1 mole of vapor condenses c The heat change in a chemical reaction 15 Which liquid has the highest molar heat of vaporization? a C2H5OH b H2O c CH3OH 16 In saltwater, the solvent is: a Salt b water c both salt and water equally 17 A binary solution must: a Contain one solute and one solvent b Contain exactly two the same components c Contain one solid and one liquid only 18 Which of these is a colloid? a Milk b Tap water c Carbonated water 19 Which mixture will separate on standing without stirring? a Suspension b Solution c Colloid 20 Alcohol dries faster on skin than water because: a Alcohol has stronger hydrogen bonds b Alcohol has weaker IMFs and higher vapor pressure c Alcohol has higher boiling point than water

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GENERAL CHEMISTRY 2: QUIZ

Froggy Jumps

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GENERAL CHEMISTRY 2: QUIZVersion en ligne

par Teacher Hya

"Dental amalgam". Which type of solution?

What solution that contains only two components?

Substances with stronger intermolecular forces generally have:

Which type of intermolecular force is dominant in liquid water?

Which term best describes the “elastic film” formed at the surface of water due to cohesive forces between its molecules?

Which change would reduce the surface tension of water?

Which term describes a liquid’s resistance to flowing?

Which liquid will have the highest viscosity at room temperature?

Which change would make a thick syrup flow faster?

The pressure exerted by molecules that have escaped into the gas phase above a liquid is called:

Which combination would most likely produce a high vapor pressure?

The temperature at which a liquid’s vapor pressure equals external pressure is its:

Adding salt to water causes:

The molar heat of vaporization (ΔHvap) is:

Which liquid has the highest molar heat of vaporization?

In saltwater, the solvent is:

A binary solution must:

Which of these is a colloid?

Which mixture will separate on standing without stirring?

Alcohol dries faster on skin than water because: